package org.answer.controller;

import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.answer.constant.MessageConstant;
import org.answer.entity.PageResult;
import org.answer.entity.QueryPageBean;
import org.answer.entity.Result;
import org.answer.service.*;
import org.answer.utils.BehaviorLogUtils;
import org.answer.utils.DateUtils;
import org.answer.utils.ErrorMailUtils;
import org.answer.utils.GetUserNameUtils;
import org.apache.dubbo.config.annotation.Reference;
import org.apache.log4j.Logger;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;
    //log4j日志对象
    private Logger logger = ErrorMailUtils.getLogger();

    @Reference
    private BehaviorLogService behaviorLogService;

    @Reference
    private OrderSettingListService orderSettingListService;

    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {
        try {
            Map<String, Object> map = new HashMap<>();
            List<String> months = new ArrayList();
            Calendar calendar = Calendar.getInstance();//获得日历对象，模拟时间就是当前时间
            //计算过去一年的12个月
            calendar.add(Calendar.MONTH, -12);//获得当前时间往前推12个月的时间
            for (int i = 0; i < 12; i++) {
                calendar.add(Calendar.MONTH, 1);//获得当前时间往后推一个月日期
                Date date = calendar.getTime();
                months.add(new SimpleDateFormat("yyyy.MM").format(date));
            }
            map.put("months", months);

            List<Integer> memberCount = memberService.findMemberCountByMonths(months);
            map.put("memberCount", memberCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
        } catch (Exception e) {
            logger.error("异常发生时间：" + DateUtils.getCurrentTime(), e);
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }

    /**
     * 会员饼图
     * @return
     */
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
        try {
            List<Map<String, Object>> list = setmealService.findSetmealCount();
            Map<String, Object> map = new HashMap<>();
            map.put("setmealCount", list);

            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> m : list) {
                String name = (String) m.get("name");
                setmealNames.add(name);
            }
            map.put("setmealNames", setmealNames);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
        } catch (Exception e) {
            logger.error("异常发生时间：" + DateUtils.getCurrentTime(), e);
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }




    /**
     * 获取运营统计数据
     * @return
     */
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        try {
            Map<String, Object> result = reportService.getBusinessReport();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,result);
        } catch (Exception e) {
            logger.error("异常发生时间：" + DateUtils.getCurrentTime(), e);
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

    /**
     * 导出excel报表
     * @return
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReport();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获取文件绝对路径
            String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            //获取第三行
            XSSFRow row = sheet.getRow(2);
            //第六列
            row.getCell(5).setCellValue(reportDate);//写入日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();

            //表示下载的是微软的excel格式
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            //以附件格式下载，下载名为report.xlsx
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            //通过流，讲文件写入到流里面
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            behaviorLogService.add(
                    BehaviorLogUtils.getBehaviorLog(
                            GetUserNameUtils.getUsername(),
                            request.getRequestURL().toString(),
                            MessageConstant.GET_BUSINESS_REPORT_SUCCESS
                    )
            );
            return null;
        }catch (Exception e){
            behaviorLogService.add(
                    BehaviorLogUtils.getBehaviorLog(
                            GetUserNameUtils.getUsername(),
                            request.getRequestURL().toString(),
                            MessageConstant.GET_BUSINESS_REPORT_FAIL
                    )
            );
            logger.error("异常发生时间：" + DateUtils.getCurrentTime(), e);
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出运行商数据到pdf报表并提供客户端下载
     * @return
     */
    //导出运营数据到PDF文件并提供客户端下载
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReport();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取pdf模板文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);

            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,
                            new JRBeanCollectionDataSource(hotSetmeal));

            //创建输出流，用于从服务器写数据到客户端浏览器
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            out.flush();
            out.close();
            behaviorLogService.add(
                    BehaviorLogUtils.getBehaviorLog(
                            GetUserNameUtils.getUsername(),
                            request.getRequestURL().toString(),
                            MessageConstant.GET_BUSINESS_REPORT_SUCCESS
                    )
            );
            return null;
        }catch (Exception e){
            e.printStackTrace();
            logger.error("异常发生时间：" + DateUtils.getCurrentTime(), e);
            behaviorLogService.add(
                    BehaviorLogUtils.getBehaviorLog(
                            GetUserNameUtils.getUsername(),
                            request.getRequestURL().toString(),
                            MessageConstant.GET_BUSINESS_REPORT_FAIL
                    )
            );
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /*
        会员统计的钩子函数获取当月的会员预约数量，总共的会员数量
     */
    @RequestMapping("/findCount")
    public Result findCount(){
        Map<String, Object> data = null;
        try {
            data = reportService.findCount();
            return new Result(true,"",data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,"");
        }

    }


    /*
        会员统计的分页查询
     */
    @RequestMapping("/findPage")
    public PageResult findPage(@RequestBody QueryPageBean queryPageBean){

        try {
            return orderSettingListService.findPage(queryPageBean);
        } catch (Exception e) {
            e.printStackTrace();
            return new PageResult(null,null);
        }

    }


}
